Chem Polyatomic Ions

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Flashcards covering key polyatomic ions with their chemical formulas and charges.

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26 Terms

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Perchlorate

ClO₄⁻

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Chlorate

ClO₃⁻

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Chlorite

ClO₂⁻

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Hypochlorite

ClO⁻

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Nitrate

NO₃⁻

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Nitrite

NO₂⁻

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Hydroxide

OH⁻

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Cyanide

CN⁻

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Thiocyanate

CNS⁻ (also written SCN⁻)

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Permanganate

MnO₄⁻

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Formate

CHO₂⁻ (HCOO⁻)

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Iodate

IO₃⁻

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Hydrogen carbonate (bicarbonate)

HCO₃⁻

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Hydride

H⁻

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Acetate

CH₃CO₂⁻ (C₂H₃O₂⁻)

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Sulfate

SO₄²⁻

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Sulfite

SO₃²⁻

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Carbonate

CO₃²⁻

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Oxalate

C₂O₄²⁻

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Chromate

CrO₄²⁻

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Dichromate

Cr₂O₇²⁻

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Peroxide

O₂²⁻

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Phosphate

PO₄³⁻

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Phosphite

PO₃³⁻

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Silicate

SiO₄⁴⁻

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Ammonium

NH₄⁺